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A charge of 70 A-h (ampere-hours) moves ...

A charge of 70 A-h (ampere-hours) moves through a potential difference of 25 V. What are (a) the charge in coulombs and (b) the magnitude of the change in the potential energy of the charge?

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(a) `2.5 xx 10^(5) C`, (b) `6.3 xx 10^(6)` J
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